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tools: check result of write

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and also use the platform helpers
This commit is contained in:
Christian Hergert
2019-06-03 12:40:48 -07:00
parent 690bf90a14
commit 7df9221f8b
2 changed files with 35 additions and 12 deletions
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25
src/tools/sysprof-cat.c
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@ -22,11 +22,14 @@
#include "config.h" #include "config.h"
#include <errno.h>
#include <glib/gstdio.h> #include <glib/gstdio.h>
#include <stdlib.h> #include <stdlib.h>
#include <sysprof-capture.h> #include <sysprof-capture.h>
#include <unistd.h> #include <unistd.h>
#include "sysprof-capture-util-private.h"
gint gint
main (gint argc, main (gint argc,
gchar *argv[]) gchar *argv[])
@ -84,7 +87,27 @@ main (gint argc,
} }
if (g_file_get_contents (tmpname, &contents, &len, NULL)) if (g_file_get_contents (tmpname, &contents, &len, NULL))
write (STDOUT_FILENO, contents, len); {
const gchar *buf = contents;
gsize to_write = len;
while (to_write > 0)
{
gssize n_written;
n_written = _sysprof_write (STDOUT_FILENO, buf, to_write);
if (n_written < 0)
{
g_printerr ("%s\n", g_strerror (errno));
g_unlink (tmpname);
return EXIT_FAILURE;
}
buf += n_written;
to_write -= n_written;
}
}
g_unlink (tmpname); g_unlink (tmpname);