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If g_guess_content_type fails, fall back to file.

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Sebastian Ramacher 2012-03-23 18:08:24 +01:00
parent dd26ed1379
commit 22d750eb4e
1 changed files with 41 additions and 7 deletions
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48
document.c
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@ -26,6 +26,9 @@
#include <girara/session.h> #include <girara/session.h>
#include <girara/settings.h> #include <girara/settings.h>
/** Read a most GT_MAX_READ bytes before falling back to file. */
static const size_t GT_MAX_READ = 1 << 16;
/** /**
* Register document plugin * Register document plugin
*/ */
@ -185,7 +188,9 @@ guess_type(const char* path)
return content_type; return content_type;
} }
FILE* f = fopen(path, "r"); girara_debug("g_content_type is uncertain, guess: %s\n", content_type);
FILE* f = fopen(path, "rb");
if (f == NULL) { if (f == NULL) {
return NULL; return NULL;
} }
@ -193,7 +198,7 @@ guess_type(const char* path)
const int fd = fileno(f); const int fd = fileno(f);
guchar* content = NULL; guchar* content = NULL;
size_t length = 0u; size_t length = 0u;
while (uncertain == TRUE) { while (uncertain == TRUE && length < GT_MAX_READ) {
g_free((void*)content_type); g_free((void*)content_type);
content_type = NULL; content_type = NULL;
@ -205,16 +210,45 @@ guess_type(const char* path)
length += r; length += r;
content_type = g_content_type_guess(NULL, content, length, &uncertain); content_type = g_content_type_guess(NULL, content, length, &uncertain);
girara_debug("new guess: %s uncertain: %d, read: %zu\n", content_type, uncertain, length);
} }
fclose(f); fclose(f);
if (uncertain == TRUE) { g_free(content);
g_free((void*)content_type); if (uncertain == FALSE) {
content_type = NULL; return content_type;
} }
g_free(content); g_free((void*)content_type);
return content_type; content_type = NULL;
girara_debug("falling back to file");
GString* command = g_string_new("file -b --mime-type ");
char* tmp = g_shell_quote(path);
g_string_append(command, tmp);
g_free(tmp);
GError* error = NULL;
char* out = NULL;
int ret = 0;
g_spawn_command_line_sync(command->str, &out, NULL, &ret, &error);
g_string_free(command, TRUE);
if (error != NULL) {
girara_warning("failed to execute command: %s", error->message);
g_error_free(error);
g_free(out);
return NULL;
}
if (WEXITSTATUS(ret) != 0) {
girara_warning("file failed with error code: %d", WEXITSTATUS(ret));
g_free(out);
return NULL;
}
g_strdelimit(out, "\n\r", '\0');
return out;
} }
zathura_document_t* zathura_document_t*