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Diffstat (limited to 'coreutils/dd.c')
-rw-r--r--coreutils/dd.c47
1 files changed, 24 insertions, 23 deletions
diff --git a/coreutils/dd.c b/coreutils/dd.c
index 8c7272b5c..11508614f 100644
--- a/coreutils/dd.c
+++ b/coreutils/dd.c
@@ -62,19 +62,19 @@ int dd_main(int argc, char **argv)
62 int ifd; 62 int ifd;
63 int ofd; 63 int ofd;
64 int i; 64 int i;
65 char *infile = NULL; 65 const char *infile = NULL;
66 char *outfile = NULL; 66 const char *outfile = NULL;
67 char *buf; 67 char *buf;
68 68
69 for (i = 1; i < argc; i++) { 69 for (i = 1; i < argc; i++) {
70 if (strncmp("bs=", argv[i], 3) == 0) 70 if (strncmp("bs=", argv[i], 3) == 0)
71 bs = parse_number(argv[i]+3, dd_suffixes); 71 bs = bb_xparse_number(argv[i]+3, dd_suffixes);
72 else if (strncmp("count=", argv[i], 6) == 0) 72 else if (strncmp("count=", argv[i], 6) == 0)
73 count = parse_number(argv[i]+6, dd_suffixes); 73 count = bb_xparse_number(argv[i]+6, dd_suffixes);
74 else if (strncmp("seek=", argv[i], 5) == 0) 74 else if (strncmp("seek=", argv[i], 5) == 0)
75 seek = parse_number(argv[i]+5, dd_suffixes); 75 seek = bb_xparse_number(argv[i]+5, dd_suffixes);
76 else if (strncmp("skip=", argv[i], 5) == 0) 76 else if (strncmp("skip=", argv[i], 5) == 0)
77 skip = parse_number(argv[i]+5, dd_suffixes); 77 skip = bb_xparse_number(argv[i]+5, dd_suffixes);
78 else if (strncmp("if=", argv[i], 3) == 0) 78 else if (strncmp("if=", argv[i], 3) == 0)
79 infile = argv[i]+3; 79 infile = argv[i]+3;
80 else if (strncmp("of=", argv[i], 3) == 0) 80 else if (strncmp("of=", argv[i], 3) == 0)
@@ -92,7 +92,7 @@ int dd_main(int argc, char **argv)
92 noerror = TRUE; 92 noerror = TRUE;
93 buf += 7; 93 buf += 7;
94 } else { 94 } else {
95 error_msg_and_die("invalid conversion `%s'", argv[i]+5); 95 bb_error_msg_and_die("invalid conversion `%s'", argv[i]+5);
96 } 96 }
97 if (buf[0] == '\0') 97 if (buf[0] == '\0')
98 break; 98 break;
@@ -100,18 +100,18 @@ int dd_main(int argc, char **argv)
100 buf++; 100 buf++;
101 } 101 }
102 } else 102 } else
103 show_usage(); 103 bb_show_usage();
104 } 104 }
105 105
106 buf = xmalloc(bs); 106 buf = xmalloc(bs);
107 107
108 if (infile != NULL) { 108 if (infile != NULL) {
109 if ((ifd = open(infile, O_RDONLY)) < 0) { 109 if ((ifd = open(infile, O_RDONLY)) < 0) {
110 perror_msg_and_die("%s", infile); 110 bb_perror_msg_and_die("%s", infile);
111 } 111 }
112 } else { 112 } else {
113 ifd = STDIN_FILENO; 113 ifd = STDIN_FILENO;
114 infile = "standard input"; 114 infile = bb_msg_standard_input;
115 } 115 }
116 116
117 if (outfile != NULL) { 117 if (outfile != NULL) {
@@ -122,7 +122,7 @@ int dd_main(int argc, char **argv)
122 } 122 }
123 123
124 if ((ofd = open(outfile, oflag, 0666)) < 0) { 124 if ((ofd = open(outfile, oflag, 0666)) < 0) {
125 perror_msg_and_die("%s", outfile); 125 bb_perror_msg_and_die("%s", outfile);
126 } 126 }
127 127
128 if (seek && trunc) { 128 if (seek && trunc) {
@@ -131,24 +131,24 @@ int dd_main(int argc, char **argv)
131 131
132 if (fstat (ofd, &st) < 0 || S_ISREG (st.st_mode) || 132 if (fstat (ofd, &st) < 0 || S_ISREG (st.st_mode) ||
133 S_ISDIR (st.st_mode)) { 133 S_ISDIR (st.st_mode)) {
134 perror_msg_and_die("%s", outfile); 134 bb_perror_msg_and_die("%s", outfile);
135 } 135 }
136 } 136 }
137 } 137 }
138 } else { 138 } else {
139 ofd = STDOUT_FILENO; 139 ofd = STDOUT_FILENO;
140 outfile = "standard output"; 140 outfile = bb_msg_standard_output;
141 } 141 }
142 142
143 if (skip) { 143 if (skip) {
144 if (lseek(ifd, skip * bs, SEEK_CUR) < 0) { 144 if (lseek(ifd, skip * bs, SEEK_CUR) < 0) {
145 perror_msg_and_die("%s", infile); 145 bb_perror_msg_and_die("%s", infile);
146 } 146 }
147 } 147 }
148 148
149 if (seek) { 149 if (seek) {
150 if (lseek(ofd, seek * bs, SEEK_CUR) < 0) { 150 if (lseek(ofd, seek * bs, SEEK_CUR) < 0) {
151 perror_msg_and_die("%s", outfile); 151 bb_perror_msg_and_die("%s", outfile);
152 } 152 }
153 } 153 }
154 154
@@ -161,9 +161,9 @@ int dd_main(int argc, char **argv)
161 if (n < 0) { 161 if (n < 0) {
162 if (noerror) { 162 if (noerror) {
163 n = bs; 163 n = bs;
164 perror_msg("%s", infile); 164 bb_perror_msg("%s", infile);
165 } else { 165 } else {
166 perror_msg_and_die("%s", infile); 166 bb_perror_msg_and_die("%s", infile);
167 } 167 }
168 } 168 }
169 if (n == 0) { 169 if (n == 0) {
@@ -178,9 +178,9 @@ int dd_main(int argc, char **argv)
178 memset(buf + n, '\0', bs - n); 178 memset(buf + n, '\0', bs - n);
179 n = bs; 179 n = bs;
180 } 180 }
181 n = full_write(ofd, buf, n); 181 n = bb_full_write(ofd, buf, n);
182 if (n < 0) { 182 if (n < 0) {
183 perror_msg_and_die("%s", outfile); 183 bb_perror_msg_and_die("%s", outfile);
184 } 184 }
185 if (n == bs) { 185 if (n == bs) {
186 out_full++; 186 out_full++;
@@ -190,15 +190,16 @@ int dd_main(int argc, char **argv)
190 } 190 }
191 191
192 if (close (ifd) < 0) { 192 if (close (ifd) < 0) {
193 perror_msg_and_die("%s", infile); 193 bb_perror_msg_and_die("%s", infile);
194 } 194 }
195 195
196 if (close (ofd) < 0) { 196 if (close (ofd) < 0) {
197 perror_msg_and_die("%s", outfile); 197 bb_perror_msg_and_die("%s", outfile);
198 } 198 }
199 199
200 fprintf(stderr, "%ld+%ld records in\n", (long)in_full, (long)in_part); 200 fprintf(stderr, "%ld+%ld records in\n%ld+%ld records out\n",
201 fprintf(stderr, "%ld+%ld records out\n", (long)out_full, (long)out_part); 201 (long)in_full, (long)in_part,
202 (long)out_full, (long)out_part);
202 203
203 return EXIT_SUCCESS; 204 return EXIT_SUCCESS;
204} 205}