diff options
Diffstat (limited to 'libbb/safe_strtol.c')
-rw-r--r-- | libbb/safe_strtol.c | 147 |
1 files changed, 0 insertions, 147 deletions
diff --git a/libbb/safe_strtol.c b/libbb/safe_strtol.c deleted file mode 100644 index d3bb29cdd..000000000 --- a/libbb/safe_strtol.c +++ /dev/null | |||
@@ -1,147 +0,0 @@ | |||
1 | /* vi: set sw=4 ts=4: */ | ||
2 | /* | ||
3 | * Utility routines. | ||
4 | * | ||
5 | * Copyright (C) 1999-2004 by Erik Andersen <andersen@codepoet.org> | ||
6 | * | ||
7 | * Licensed under GPLv2 or later, see file LICENSE in this tarball for details. | ||
8 | */ | ||
9 | |||
10 | #include <assert.h> | ||
11 | #include "libbb.h" | ||
12 | |||
13 | int safe_strtod(const char *arg, double* value) | ||
14 | { | ||
15 | char *endptr; | ||
16 | int errno_save = errno; | ||
17 | |||
18 | assert(arg!=NULL); | ||
19 | errno = 0; | ||
20 | *value = strtod(arg, &endptr); | ||
21 | if (errno != 0 || *endptr != '\0' || endptr == arg) { | ||
22 | return 1; | ||
23 | } | ||
24 | errno = errno_save; | ||
25 | return 0; | ||
26 | } | ||
27 | |||
28 | int safe_strtoull(const char *arg, unsigned long long* value) | ||
29 | { | ||
30 | char *endptr; | ||
31 | int errno_save = errno; | ||
32 | |||
33 | assert(arg!=NULL); | ||
34 | if (!isdigit(arg[0])) /* strtouXX takes minus signs w/o error! :( */ | ||
35 | return 1; | ||
36 | errno = 0; | ||
37 | *value = strtoull(arg, &endptr, 0); | ||
38 | if (errno != 0 || *endptr != '\0' || endptr == arg) { | ||
39 | return 1; | ||
40 | } | ||
41 | errno = errno_save; | ||
42 | return 0; | ||
43 | } | ||
44 | |||
45 | int safe_strtoll(const char *arg, long long* value) | ||
46 | { | ||
47 | char *endptr; | ||
48 | int errno_save = errno; | ||
49 | |||
50 | assert(arg!=NULL); | ||
51 | errno = 0; | ||
52 | *value = strtoll(arg, &endptr, 0); | ||
53 | if (errno != 0 || *endptr != '\0' || endptr == arg) { | ||
54 | return 1; | ||
55 | } | ||
56 | errno = errno_save; | ||
57 | return 0; | ||
58 | } | ||
59 | |||
60 | int safe_strtoul(const char *arg, unsigned long* value) | ||
61 | { | ||
62 | char *endptr; | ||
63 | int errno_save = errno; | ||
64 | |||
65 | assert(arg!=NULL); | ||
66 | if (!isdigit(arg[0])) /* strtouXX takes minus signs w/o error! :( */ | ||
67 | return 1; | ||
68 | errno = 0; | ||
69 | *value = strtoul(arg, &endptr, 0); | ||
70 | if (errno != 0 || *endptr != '\0' || endptr == arg) { | ||
71 | return 1; | ||
72 | } | ||
73 | errno = errno_save; | ||
74 | return 0; | ||
75 | } | ||
76 | |||
77 | int safe_strtol(const char *arg, long* value) | ||
78 | { | ||
79 | char *endptr; | ||
80 | int errno_save = errno; | ||
81 | |||
82 | assert(arg!=NULL); | ||
83 | errno = 0; | ||
84 | *value = strtol(arg, &endptr, 0); | ||
85 | if (errno != 0 || *endptr != '\0' || endptr == arg) { | ||
86 | return 1; | ||
87 | } | ||
88 | errno = errno_save; | ||
89 | return 0; | ||
90 | } | ||
91 | |||
92 | /* TODO: This is what uclibc is doing. Try to do the same? */ | ||
93 | |||
94 | #if 0 | ||
95 | #if defined __HAVE_ELF__ | ||
96 | |||
97 | # define strong_alias(name, aliasname) _strong_alias(name, aliasname) | ||
98 | # define _strong_alias(name, aliasname) \ | ||
99 | extern __typeof (name) aliasname __attribute__ ((alias (#name))); | ||
100 | |||
101 | #else /* !defined __HAVE_ELF__ */ | ||
102 | |||
103 | # define strong_alias(name, aliasname) _strong_alias (name, aliasname) | ||
104 | # define _strong_alias(name, aliasname) \ | ||
105 | __asm__(".global " __C_SYMBOL_PREFIX__ #aliasname "\n" \ | ||
106 | ".set " __C_SYMBOL_PREFIX__ #aliasname "," __C_SYMBOL_PREFIX__ #name); | ||
107 | |||
108 | #endif | ||
109 | #endif | ||
110 | |||
111 | int safe_strtoi(const char *arg, int* value) | ||
112 | { | ||
113 | int error; | ||
114 | long lvalue; | ||
115 | if (sizeof(long) == sizeof(int)) | ||
116 | return safe_strtol(arg, (long*)value); | ||
117 | lvalue = *value; | ||
118 | error = safe_strtol(arg, &lvalue); | ||
119 | if (lvalue < INT_MIN || lvalue > INT_MAX) | ||
120 | return 1; | ||
121 | *value = (int) lvalue; | ||
122 | return error; | ||
123 | } | ||
124 | |||
125 | int safe_strtou(const char *arg, unsigned* value) | ||
126 | { | ||
127 | int error; | ||
128 | unsigned long lvalue; | ||
129 | if (sizeof(unsigned long) == sizeof(unsigned)) | ||
130 | return safe_strtoul(arg, (unsigned long*)value); | ||
131 | lvalue = *value; | ||
132 | error = safe_strtoul(arg, &lvalue); | ||
133 | if (lvalue > UINT_MAX) | ||
134 | return 1; | ||
135 | *value = (unsigned) lvalue; | ||
136 | return error; | ||
137 | } | ||
138 | |||
139 | int BUG_safe_strtou32_unimplemented(void); | ||
140 | int safe_strtou32(const char *arg, uint32_t* value) | ||
141 | { | ||
142 | if (sizeof(uint32_t) == sizeof(unsigned)) | ||
143 | return safe_strtou(arg, (unsigned*)value); | ||
144 | if (sizeof(uint32_t) == sizeof(unsigned long)) | ||
145 | return safe_strtoul(arg, (unsigned long*)value); | ||
146 | return BUG_safe_strtou32_unimplemented(); | ||
147 | } | ||