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**[IMPROVEMENT]** Port hex_to_int from C to Rust #1774

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**[IMPROVEMENT]** Port hex_to_int from C to Rust #1774

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3e67f5d
fix(708_output): replace sprintf with snprintf for buffer safety
cfsmp3 Dec 12, 2025
10e105d
style: fix clang-format issues in macro definitions
cfsmp3 Dec 12, 2025
1e82253
fix(708_output): replace sprintf with snprintf for buffer safety
cfsmp3 Dec 12, 2025
2d355b6
style: fix clang-format issues in macro definitions
cfsmp3 Dec 12, 2025
9592e27
fix(rust): prevent panics in timing code when processing multiple files
cfsmp3 Dec 14, 2025
8a6b9e3
Initial plan
Copilot Dec 9, 2025
ef539fa
Remove unintended Cargo.lock changes
Copilot Dec 9, 2025
c91f806
Initial plan
Copilot Dec 14, 2025
d6bae9b
Port hex_to_int from C to Rust
ishwarthecodddr Nov 29, 2025
2cf6d06
cleaned commits
ishwarthecodddr Jan 4, 2026
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4 changes: 2 additions & 2 deletions src/lib_ccx/general_loop.c
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Original file line number Diff line number Diff line change
Expand Up @@ -1174,7 +1174,7 @@ int general_loop(struct lib_ccx_ctx *ctx)
enum ccx_stream_mode_enum stream_mode = CCX_SM_ELEMENTARY_OR_NOT_FOUND;
struct demuxer_data *datalist = NULL;
struct demuxer_data *data_node = NULL;
int (*get_more_data)(struct lib_ccx_ctx *c, struct demuxer_data **d) = NULL;
int (*get_more_data)(struct lib_ccx_ctx * c, struct demuxer_data * *d) = NULL;
int ret = 0;
int caps = 0;

Expand Down Expand Up @@ -1495,7 +1495,7 @@ int rcwt_loop(struct lib_ccx_ctx *ctx)
#ifndef DISABLE_RUST
ccxr_dtvcc_set_encoder(dec_ctx->dtvcc_rust, enc_ctx);
#else
dec_ctx->dtvcc->encoder = (void *)enc_ctx; // WARN: otherwise cea-708 will not work
dec_ctx->dtvcc->encoder = (void *)enc_ctx; // WARN: otherwise cea-708 will not work
#endif
if (parsebuf[6] == 0 && parsebuf[7] == 2)
{
Expand Down
7 changes: 7 additions & 0 deletions src/lib_ccx/utility.c
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Expand Up @@ -16,6 +16,9 @@ extern void ccxr_timestamp_to_srttime(uint64_t timestamp, char *buffer);
extern void ccxr_timestamp_to_vtttime(uint64_t timestamp, char *buffer);
extern void ccxr_millis_to_date(uint64_t timestamp, char *buffer, enum ccx_output_date_format date_format, char millis_separator);
extern int ccxr_stringztoms(const char *s, struct ccx_boundary_time *bt);
#ifndef DISABLE_RUST
extern int ccxr_hex_to_int(char high, char low);
#endif

static uint32_t crc32_table[] = {
0x00000000, 0x04c11db7, 0x09823b6e, 0x0d4326d9,
Expand Down Expand Up @@ -266,6 +269,9 @@ void sleep_secs(int secs)

int hex_to_int(char high, char low)
{
#ifndef DISABLE_RUST
return ccxr_hex_to_int(high, low);
#else
unsigned char h, l;
if (high >= '0' && high <= '9')
h = high - '0';
Expand All @@ -280,6 +286,7 @@ int hex_to_int(char high, char low)
else
return -1;
return h * 16 + l;
#endif
}
int hex_string_to_int(char *string, int len)
{
Expand Down
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