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Code Issues Releases Wiki Activity

flashrom.c: allow - as filename for stdin

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Allows - as filename for -w/-v options. It is sometimes useful to
script flashrom and allowing it to work with pipes allows for more
flexibility in this specific use-case.

Signed-off-by: Daniel Campello <campello@chromium.org>
Change-Id: I97889cfdf7ba9a257e182c4ee2b20075cfa58d4d
Reviewed-on: https://review.coreboot.org/c/flashrom/+/52383
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Edward O'Callaghan <quasisec@chromium.org>
This commit is contained in:
Daniel Campello
2021-04-15 10:36:04 -06:00
committed by Edward O'Callaghan
parent 4cc7363d25
commit d4063bf3a7
2 changed files with 11 additions and 5 deletions
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8
flashrom.c
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@ -1348,7 +1348,11 @@ int read_buf_from_file(unsigned char *buf, unsigned long size,
int ret = 0;
FILE *image;
if ((image = fopen(filename, "rb")) == NULL) {
if (!strcmp(filename, "-"))
image = fdopen(fileno(stdin), "rb");
else
image = fopen(filename, "rb");
if (image == NULL) {
msg_gerr("Error: opening file \"%s\" failed: %s\n", filename, strerror(errno));
return 1;
}
@ -1359,7 +1363,7 @@ int read_buf_from_file(unsigned char *buf, unsigned long size,
ret = 1;
goto out;
}
if (image_stat.st_size != (intmax_t)size) {
if ((image_stat.st_size != (intmax_t)size) && strcmp(filename, "-")) {
msg_gerr("Error: Image size (%jd B) doesn't match the expected size (%lu B)!\n",
(intmax_t)image_stat.st_size, size);
ret = 1;