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-rw-r--r--iceprog/iceprog.c101
1 files changed, 67 insertions, 34 deletions
diff --git a/iceprog/iceprog.c b/iceprog/iceprog.c
index e7aab93..a01d51e 100644
--- a/iceprog/iceprog.c
+++ b/iceprog/iceprog.c
@@ -33,7 +33,6 @@
#include <string.h>
#include <getopt.h>
#include <errno.h>
-#include <err.h>
#include <sys/types.h>
#include <sys/stat.h>
@@ -382,8 +381,10 @@ int main(int argc, char **argv)
ifnum = INTERFACE_C;
else if (!strcmp(optarg, "D"))
ifnum = INTERFACE_D;
- else
- errx(EXIT_FAILURE, "`%s' is not a valid interface (must be `A', `B', `C', or `D')", optarg);
+ else {
+ fprintf(stderr, "%s: `%s' is not a valid interface (must be `A', `B', `C', or `D')\n", argv[0], optarg);
+ return EXIT_FAILURE;
+ }
break;
case 'r':
read_mode = true;
@@ -397,8 +398,10 @@ int main(int argc, char **argv)
read_size *= 1024;
else if (!strcmp(endptr, "M"))
read_size *= 1024 * 1024;
- else
- errx(EXIT_FAILURE, "`%s' is not a valid size", optarg);
+ else {
+ fprintf(stderr, "%s: `%s' is not a valid size\n", argv[0], optarg);
+ return EXIT_FAILURE;
+ }
break;
case 'o':
rw_offset = strtol(optarg, &endptr, 0);
@@ -408,8 +411,10 @@ int main(int argc, char **argv)
rw_offset *= 1024;
else if (!strcmp(endptr, "M"))
rw_offset *= 1024 * 1024;
- else
- errx(EXIT_FAILURE, "`%s' is not a valid offset", optarg);
+ else {
+ fprintf(stderr, "%s: `%s' is not a valid offset\n", argv[0], optarg);
+ return EXIT_FAILURE;
+ }
break;
case 'c':
check_mode = true;
@@ -439,39 +444,51 @@ int main(int argc, char **argv)
}
}
- if (read_mode + check_mode + prog_sram + test_mode > 1)
- errx(EXIT_FAILURE, "options `-r'/`-R', `-c', `-S', and `-t' are mutually exclusive");
+ if (read_mode + check_mode + prog_sram + test_mode > 1) {
+ fprintf(stderr, "%s: options `-r'/`-R', `-c', `-S', and `-t' are mutually exclusive\n", argv[0]);
+ return EXIT_FAILURE;
+ }
- if (bulk_erase && dont_erase)
- errx(EXIT_FAILURE, "options `-b' and `-n' are mutually exclusive");
+ if (bulk_erase && dont_erase) {
+ fprintf(stderr, "%s: options `-b' and `-n' are mutually exclusive\n", argv[0]);
+ return EXIT_FAILURE;
+ }
- if (bulk_erase && (read_mode || check_mode || prog_sram || test_mode))
- errx(EXIT_FAILURE, "option `-b' only valid in programming mode");
+ if (bulk_erase && (read_mode || check_mode || prog_sram || test_mode)) {
+ fprintf(stderr, "%s: option `-b' only valid in programming mode\n", argv[0]);
+ return EXIT_FAILURE;
+ }
- if (dont_erase && (read_mode || check_mode || prog_sram || test_mode))
- errx(EXIT_FAILURE, "option `-n' only valid in programming mode");
+ if (dont_erase && (read_mode || check_mode || prog_sram || test_mode)) {
+ fprintf(stderr, "%s: option `-n' only valid in programming mode\n", argv[0]);
+ return EXIT_FAILURE;
+ }
- if (rw_offset != 0 && prog_sram)
- errx(EXIT_FAILURE, "option `-o' not supported in SRAM mode");
+ if (rw_offset != 0 && prog_sram) {
+ fprintf(stderr, "%s: option `-o' not supported in SRAM mode\n", argv[0]);
+ return EXIT_FAILURE;
+ }
- if (rw_offset != 0 && test_mode)
- errx(EXIT_FAILURE, "option `-o' not supported in test mode");
+ if (rw_offset != 0 && test_mode) {
+ fprintf(stderr, "%s: option `-o' not supported in test mode\n", argv[0]);
+ return EXIT_FAILURE;
+ }
if (optind + 1 == argc) {
if (test_mode) {
- warnx("test mode doesn't take a file name");
+ fprintf(stderr, "%s: test mode doesn't take a file name\n", argv[0]);
fprintf(stderr, "Try `%s --help' for more information.\n", argv[0]);
return EXIT_FAILURE;
}
filename = argv[optind];
} else if (optind != argc) {
- warnx("too many arguments");
+ fprintf(stderr, "%s: too many arguments\n", argv[0]);
fprintf(stderr, "Try `%s --help' for more information.\n", argv[0]);
return EXIT_FAILURE;
} else if (bulk_erase) {
filename = "/dev/null";
} else if (!test_mode) {
- warnx("missing argument");
+ fprintf(stderr, "%s: missing argument\n", argv[0]);
fprintf(stderr, "Try `%s --help' for more information.\n", argv[0]);
return EXIT_FAILURE;
}
@@ -486,12 +503,18 @@ int main(int argc, char **argv)
/* nop */;
else if (read_mode) {
f = (strcmp(filename, "-") == 0) ? stdout : fopen(filename, "wb");
- if (f == NULL)
- err(EXIT_FAILURE, "can't open '%s' for writing", filename);
+ if (f == NULL) {
+ fprintf(stderr, "%s: can't open '%s' for writing: ", argv[0], filename);
+ perror(0);
+ return EXIT_FAILURE;
+ }
} else {
f = (strcmp(filename, "-") == 0) ? stdin : fopen(filename, "rb");
- if (f == NULL)
- err(EXIT_FAILURE, "can't open '%s' for reading", filename);
+ if (f == NULL) {
+ fprintf(stderr, "%s: can't open '%s' for reading: ", argv[0], filename);
+ perror(0);
+ return EXIT_FAILURE;
+ }
/* For regular programming, we need to read the file
twice--once for programming and once for verifying--and
@@ -506,16 +529,24 @@ int main(int argc, char **argv)
if (!prog_sram && !check_mode) {
if (fseek(f, 0L, SEEK_END) != -1) {
file_size = ftell(f);
- if (file_size == -1)
- err(EXIT_FAILURE, "%s: ftell", filename);
- if (fseek(f, 0L, SEEK_SET) == -1)
- err(EXIT_FAILURE, "%s: fseek", filename);
+ if (file_size == -1) {
+ fprintf(stderr, "%s: %s: ftell: ", argv[0], filename);
+ perror(0);
+ return EXIT_FAILURE;
+ }
+ if (fseek(f, 0L, SEEK_SET) == -1) {
+ fprintf(stderr, "%s: %s: fseek: ", argv[0], filename);
+ perror(0);
+ return EXIT_FAILURE;
+ }
} else {
FILE *pipe = f;
f = tmpfile();
- if (f == NULL)
- errx(EXIT_FAILURE, "can't open temporary file");
+ if (f == NULL) {
+ fprintf(stderr, "%s: can't open temporary file\n", argv[0]);
+ return EXIT_FAILURE;
+ }
file_size = 0;
while (true) {
@@ -524,8 +555,10 @@ int main(int argc, char **argv)
if (rc <= 0)
break;
size_t wc = fwrite(buffer, 1, rc, f);
- if (wc != rc)
- errx(EXIT_FAILURE, "can't write to temporary file");
+ if (wc != rc) {
+ fprintf(stderr, "%s: can't write to temporary file\n", argv[0]);
+ return EXIT_FAILURE;
+ }
file_size += rc;
}
fclose(pipe);
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