aboutsummaryrefslogtreecommitdiff
path: root/utility.c
diff options
context:
space:
mode:
Diffstat (limited to 'utility.c')
-rw-r--r--utility.c74
1 files changed, 8 insertions, 66 deletions
diff --git a/utility.c b/utility.c
index 5899fe954..11ee7c680 100644
--- a/utility.c
+++ b/utility.c
@@ -33,6 +33,7 @@
33 || defined (BB_INSMOD) 33 || defined (BB_INSMOD)
34/* same conditions as recursiveAction */ 34/* same conditions as recursiveAction */
35#define bb_need_name_too_long 35#define bb_need_name_too_long
36#define bb_need_memory_exhausted
36#endif 37#endif
37#define BB_DECLARE_EXTERN 38#define BB_DECLARE_EXTERN
38#include "messages.c" 39#include "messages.c"
@@ -111,7 +112,6 @@ extern void fatalError(const char *s, ...)
111 exit( FALSE); 112 exit( FALSE);
112} 113}
113 114
114#if defined BB_INIT
115/* Returns kernel version encoded as major*65536 + minor*256 + patch, 115/* Returns kernel version encoded as major*65536 + minor*256 + patch,
116 * so, for example, to check if the kernel is greater than 2.2.11: 116 * so, for example, to check if the kernel is greater than 2.2.11:
117 * if (get_kernel_revision() <= 2*65536+2*256+11) { <stuff> } 117 * if (get_kernel_revision() <= 2*65536+2*256+11) { <stuff> }
@@ -128,9 +128,7 @@ extern int get_kernel_revision(void)
128 sscanf(name.version, "%d.%d.%d", &major, &minor, &patch); 128 sscanf(name.version, "%d.%d.%d", &major, &minor, &patch);
129 return major * 65536 + minor * 256 + patch; 129 return major * 65536 + minor * 256 + patch;
130} 130}
131#endif /* BB_INIT */
132 131
133#if defined (BB_CP_MV) || defined (BB_DU)
134 132
135#define HASH_SIZE 311 /* Should be prime */ 133#define HASH_SIZE 311 /* Should be prime */
136#define hash_inode(i) ((i) % HASH_SIZE) 134#define hash_inode(i) ((i) % HASH_SIZE)
@@ -197,9 +195,7 @@ void reset_ino_dev_hashtable(void)
197 } 195 }
198} 196}
199 197
200#endif /* BB_CP_MV || BB_DU */
201 198
202#if defined (BB_CP_MV) || defined (BB_DU) || defined (BB_LN)
203/* 199/*
204 * Return TRUE if a fileName is a directory. 200 * Return TRUE if a fileName is a directory.
205 * Nonexistant files return FALSE. 201 * Nonexistant files return FALSE.
@@ -230,9 +226,7 @@ int isDirectory(const char *fileName, const int followLinks, struct stat *statBu
230 } 226 }
231 return status; 227 return status;
232} 228}
233#endif
234 229
235#if defined (BB_CP_MV)
236/* 230/*
237 * Copy one file to another, while possibly preserving its modes, times, and 231 * Copy one file to another, while possibly preserving its modes, times, and
238 * modes. Returns TRUE if successful, or FALSE on a failure with an error 232 * modes. Returns TRUE if successful, or FALSE on a failure with an error
@@ -382,11 +376,8 @@ copyFile(const char *srcName, const char *destName,
382 376
383 return FALSE; 377 return FALSE;
384} 378}
385#endif /* BB_CP_MV */
386
387 379
388 380
389#if defined BB_TAR || defined BB_LS
390 381
391#define TYPEINDEX(mode) (((mode) >> 12) & 0x0f) 382#define TYPEINDEX(mode) (((mode) >> 12) & 0x0f)
392#define TYPECHAR(mode) ("0pcCd?bB-?l?s???" [TYPEINDEX(mode)]) 383#define TYPECHAR(mode) ("0pcCd?bB-?l?s???" [TYPEINDEX(mode)])
@@ -429,10 +420,8 @@ const char *modeString(int mode)
429 } 420 }
430 return buf; 421 return buf;
431} 422}
432#endif /* BB_TAR || BB_LS */
433 423
434 424
435#if defined BB_TAR
436/* 425/*
437 * Return the standard ls-like time string from a time_t 426 * Return the standard ls-like time string from a time_t
438 * This is static and so is overwritten on each call. 427 * This is static and so is overwritten on each call.
@@ -457,9 +446,7 @@ const char *timeString(time_t timeVal)
457 446
458 return buf; 447 return buf;
459} 448}
460#endif /* BB_TAR */
461 449
462#if defined BB_TAR || defined BB_CP_MV
463/* 450/*
464 * Write all of the supplied buffer out to a file. 451 * Write all of the supplied buffer out to a file.
465 * This does multiple writes as necessary. 452 * This does multiple writes as necessary.
@@ -485,10 +472,8 @@ int fullWrite(int fd, const char *buf, int len)
485 472
486 return total; 473 return total;
487} 474}
488#endif /* BB_TAR || BB_CP_MV */
489 475
490 476
491#if defined BB_TAR || defined BB_TAIL
492/* 477/*
493 * Read all of the supplied buffer from a file. 478 * Read all of the supplied buffer from a file.
494 * This does multiple reads as necessary. 479 * This does multiple reads as necessary.
@@ -518,16 +503,8 @@ int fullRead(int fd, char *buf, int len)
518 503
519 return total; 504 return total;
520} 505}
521#endif /* BB_TAR || BB_TAIL */
522 506
523 507
524#if defined (BB_CHMOD_CHOWN_CHGRP) \
525 || defined (BB_CP_MV) \
526 || defined (BB_FIND) \
527 || defined (BB_INSMOD) \
528 || defined (BB_RM) \
529 || defined (BB_TAR)
530
531/* 508/*
532 * Walk down all the directories under the specified 509 * Walk down all the directories under the specified
533 * location, and do something (something specified 510 * location, and do something (something specified
@@ -640,11 +617,9 @@ int recursiveAction(const char *fileName,
640 return TRUE; 617 return TRUE;
641} 618}
642 619
643#endif /* BB_CHMOD_CHOWN_CHGRP || BB_CP_MV || BB_FIND || BB_LS || BB_INSMOD */
644 620
645 621
646 622
647#if defined (BB_TAR) || defined (BB_MKDIR)
648/* 623/*
649 * Attempt to create the directories along the specified path, except for 624 * Attempt to create the directories along the specified path, except for
650 * the final component. The mode is given for the final directory only, 625 * the final component. The mode is given for the final directory only,
@@ -674,15 +649,10 @@ extern int createPath(const char *name, int mode)
674 } 649 }
675 return TRUE; 650 return TRUE;
676} 651}
677#endif /* BB_TAR || BB_MKDIR */
678 652
679 653
680 654
681#if defined (BB_CHMOD_CHOWN_CHGRP) || defined (BB_MKDIR)
682/* [ugoa]{+|-|=}[rwxst] */ 655/* [ugoa]{+|-|=}[rwxst] */
683
684
685
686extern int parse_mode(const char *s, mode_t * theMode) 656extern int parse_mode(const char *s, mode_t * theMode)
687{ 657{
688 mode_t andMode = 658 mode_t andMode =
@@ -775,14 +745,9 @@ extern int parse_mode(const char *s, mode_t * theMode)
775} 745}
776 746
777 747
778#endif /* BB_CHMOD_CHOWN_CHGRP || BB_MKDIR */
779
780
781 748
782 749
783 750
784#if defined BB_CHMOD_CHOWN_CHGRP || defined BB_PS || defined BB_LS || defined BB_TAR || defined BB_ID
785
786/* This parses entries in /etc/passwd and /etc/group. This is desirable 751/* This parses entries in /etc/passwd and /etc/group. This is desirable
787 * for BusyBox, since we want to avoid using the glibc NSS stuff, which 752 * for BusyBox, since we want to avoid using the glibc NSS stuff, which
788 * increases target size and is often not needed or wanted for embedded 753 * increases target size and is often not needed or wanted for embedded
@@ -887,10 +852,6 @@ gid_t my_getpwnamegid(char *name)
887 return gid; 852 return gid;
888} 853}
889 854
890#endif /* BB_CHMOD_CHOWN_CHGRP || BB_PS || BB_LS || BB_TAR || BB_ID */
891
892
893#if (defined BB_CHVT) || (defined BB_DEALLOCVT)
894 855
895 856
896#include <linux/kd.h> 857#include <linux/kd.h>
@@ -975,11 +936,9 @@ int get_console_fd(char *tty_name)
975} 936}
976 937
977 938
978#endif /* BB_CHVT || BB_DEALLOCVT */
979 939
980 940
981#if !defined BB_REGEXP && (defined BB_GREP || defined BB_SED) 941#if !defined BB_REGEXP
982
983/* Do a case insensitive strstr() */ 942/* Do a case insensitive strstr() */
984char *stristr(char *haystack, const char *needle) 943char *stristr(char *haystack, const char *needle)
985{ 944{
@@ -1050,11 +1009,9 @@ extern int replace_match(char *haystack, char *needle, char *newNeedle,
1050 else 1009 else
1051 return FALSE; 1010 return FALSE;
1052} 1011}
1053 1012#endif /* ! BB_REGEXP */
1054#endif /* ! BB_REGEXP && (BB_GREP || BB_SED) */
1055 1013
1056 1014
1057#if defined BB_FIND
1058/* 1015/*
1059 * Routine to see if a text string is matched by a wildcard pattern. 1016 * Routine to see if a text string is matched by a wildcard pattern.
1060 * Returns TRUE if the text is matched, or FALSE if it is not matched 1017 * Returns TRUE if the text is matched, or FALSE if it is not matched
@@ -1154,12 +1111,10 @@ extern int check_wildcard_match(const char *text, const char *pattern)
1154 1111
1155 return TRUE; 1112 return TRUE;
1156} 1113}
1157#endif /* BB_FIND */
1158 1114
1159 1115
1160 1116
1161 1117
1162#if defined BB_DF || defined BB_MTAB
1163/* 1118/*
1164 * Given a block device, find the mount table entry if that block device 1119 * Given a block device, find the mount table entry if that block device
1165 * is mounted. 1120 * is mounted.
@@ -1198,11 +1153,9 @@ extern struct mntent *findMountPoint(const char *name, const char *table)
1198 endmntent(mountTable); 1153 endmntent(mountTable);
1199 return mountEntry; 1154 return mountEntry;
1200} 1155}
1201#endif /* BB_DF || BB_MTAB */
1202 1156
1203 1157
1204 1158
1205#if defined BB_DD || defined BB_TAIL
1206/* 1159/*
1207 * Read a number with a possible multiplier. 1160 * Read a number with a possible multiplier.
1208 * Returns -1 if the number format is illegal. 1161 * Returns -1 if the number format is illegal.
@@ -1249,10 +1202,8 @@ extern long getNum(const char *cp)
1249 1202
1250 return value; 1203 return value;
1251} 1204}
1252#endif /* BB_DD || BB_TAIL */
1253 1205
1254 1206
1255#if defined BB_INIT || defined BB_SYSLOGD
1256/* try to open up the specified device */ 1207/* try to open up the specified device */
1257extern int device_open(char *device, int mode) 1208extern int device_open(char *device, int mode)
1258{ 1209{
@@ -1271,15 +1222,11 @@ extern int device_open(char *device, int mode)
1271 fcntl(fd, F_SETFL, mode); 1222 fcntl(fd, F_SETFL, mode);
1272 return fd; 1223 return fd;
1273} 1224}
1274#endif /* BB_INIT BB_SYSLOGD */
1275 1225
1276 1226
1277#if defined BB_KILLALL || ( defined BB_FEATURE_LINUXRC && ( defined BB_HALT || defined BB_REBOOT || defined BB_POWEROFF ))
1278#ifdef BB_FEATURE_USE_DEVPS_PATCH 1227#ifdef BB_FEATURE_USE_DEVPS_PATCH
1279#include <linux/devps.h> 1228#include <linux/devps.h>
1280#endif
1281 1229
1282#if defined BB_FEATURE_USE_DEVPS_PATCH
1283/* findPidByName() 1230/* findPidByName()
1284 * 1231 *
1285 * This finds the pid of the specified process, 1232 * This finds the pid of the specified process,
@@ -1336,7 +1283,7 @@ extern pid_t* findPidByName( char* pidName)
1336 && (strlen(pidName) == strlen(info.command_line))) { 1283 && (strlen(pidName) == strlen(info.command_line))) {
1337 pidList=realloc( pidList, sizeof(pid_t) * (j+2)); 1284 pidList=realloc( pidList, sizeof(pid_t) * (j+2));
1338 if (pidList==NULL) 1285 if (pidList==NULL)
1339 fatalError("out of memory\n"); 1286 fatalError(memory_exhausted, "");
1340 pidList[j++]=info.pid; 1287 pidList[j++]=info.pid;
1341 } 1288 }
1342 } 1289 }
@@ -1409,7 +1356,7 @@ extern pid_t* findPidByName( char* pidName)
1409 && (strlen(pidName) == strlen(p))) { 1356 && (strlen(pidName) == strlen(p))) {
1410 pidList=realloc( pidList, sizeof(pid_t) * (i+2)); 1357 pidList=realloc( pidList, sizeof(pid_t) * (i+2));
1411 if (pidList==NULL) 1358 if (pidList==NULL)
1412 fatalError("out of memory\n"); 1359 fatalError(memory_exhausted, "");
1413 pidList[i++]=strtol(next->d_name, NULL, 0); 1360 pidList[i++]=strtol(next->d_name, NULL, 0);
1414 } 1361 }
1415 } 1362 }
@@ -1418,7 +1365,6 @@ extern pid_t* findPidByName( char* pidName)
1418 return pidList; 1365 return pidList;
1419} 1366}
1420#endif /* BB_FEATURE_USE_DEVPS_PATCH */ 1367#endif /* BB_FEATURE_USE_DEVPS_PATCH */
1421#endif /* BB_KILLALL || ( BB_FEATURE_LINUXRC && ( BB_HALT || BB_REBOOT || BB_POWEROFF )) */
1422 1368
1423/* this should really be farmed out to libbusybox.a */ 1369/* this should really be farmed out to libbusybox.a */
1424extern void *xmalloc(size_t size) 1370extern void *xmalloc(size_t size)
@@ -1426,11 +1372,11 @@ extern void *xmalloc(size_t size)
1426 void *cp = malloc(size); 1372 void *cp = malloc(size);
1427 1373
1428 if (cp == NULL) 1374 if (cp == NULL)
1429 fatalError("out of memory\n"); 1375 fatalError(memory_exhausted, "");
1430 return cp; 1376 return cp;
1431} 1377}
1432 1378
1433#if (__GLIBC__ < 2) && (defined BB_SYSLOGD || defined BB_INIT) 1379#if (__GLIBC__ < 2)
1434extern int vdprintf(int d, const char *format, va_list ap) 1380extern int vdprintf(int d, const char *format, va_list ap)
1435{ 1381{
1436 char buf[BUF_SIZE]; 1382 char buf[BUF_SIZE];
@@ -1439,9 +1385,8 @@ extern int vdprintf(int d, const char *format, va_list ap)
1439 len = vsprintf(buf, format, ap); 1385 len = vsprintf(buf, format, ap);
1440 return write(d, buf, len); 1386 return write(d, buf, len);
1441} 1387}
1442#endif /* BB_SYSLOGD */ 1388#endif
1443 1389
1444#if defined BB_FEATURE_MOUNT_LOOP
1445extern int del_loop(const char *device) 1390extern int del_loop(const char *device)
1446{ 1391{
1447 int fd; 1392 int fd;
@@ -1525,9 +1470,7 @@ extern char *find_unused_loop_device(void)
1525 } 1470 }
1526 return NULL; 1471 return NULL;
1527} 1472}
1528#endif /* BB_FEATURE_MOUNT_LOOP */
1529 1473
1530#if defined BB_MOUNT || defined BB_DF || ( defined BB_UMOUNT && ! defined BB_MTAB)
1531extern int find_real_root_device_name(char* name) 1474extern int find_real_root_device_name(char* name)
1532{ 1475{
1533 DIR *dir; 1476 DIR *dir;
@@ -1569,7 +1512,6 @@ extern int find_real_root_device_name(char* name)
1569 1512
1570 return( FALSE); 1513 return( FALSE);
1571} 1514}
1572#endif
1573 1515
1574const unsigned int CSTRING_BUFFER_LENGTH = 128; 1516const unsigned int CSTRING_BUFFER_LENGTH = 128;
1575/* recursive parser that returns cstrings of arbitrary length 1517/* recursive parser that returns cstrings of arbitrary length